Toothless Lithophane and Base

I made a litho for my sister and wanted to make a case for it so I designed this. It's supposed to fit a 1.36:1 photo converted into a lithophane using the 3dp.rocks generator with a 112mm max size and a 20 degree curve. I've included the lithophane I used as well. The lithophane ends up at around 111x83.7mm. If your lithophane doesn't match this size, it likely won't work. You can use photoshop to make the image into the right aspect ratio or something if you really want to use this case. I didn't plan to upload this model, for that reason, but people were asking for it so I did anyway. Hopefully someone gets a use out of it :)

It's lit by a 24V LED Strip, powered by a USB boost converter. These are the ones I used and the only ones I guarantee will fit. I just used super glue to hold the converter in place as there's unfortunately no screw holes in the PCB. The current draw on the 5V USB cable is around 250mA... barely anything. This is simply because even though the co